[chuck-users] Using biquad...

[Daniel Trueman]

here's one example of biquad coefficient setting:



dt

On Feb 17, 2011, at 7:02 AM, Wolfgang Gil wrote:

> Hey guys
>  
> i'm working on a sampler that uses a simple equation system to determine parameters of reverb, volume and pitch filtering. The goal is to emulate 'depth' using the idea that if a sound's source moves away from our ears, we will perceive it as quieter and more diffused, with its high-pitch content less present.
> 
> Motivated by this, I started to read about the biquad ugen, but i haven't figured out how to deal with its coefficients so I can make something interesting out of it.
> 
> My question is, how can i make a high cut filter that gradually reduces the high-pitched content of the sound signal's spectrum, based on an input of 0-100? 
> (0 = no filtering, 100 = no high-pitch content)
> 
> thanks!
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